{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:DGSXREH5VFS4WSILAEMT3F54M3","short_pith_number":"pith:DGSXREH5","schema_version":"1.0","canonical_sha256":"19a57890fda965cb490b01193d97bc66e050c76e4993727bcdf59c5e23dc0245","source":{"kind":"arxiv","id":"1901.09502","version":1},"attestation_state":"computed","paper":{"title":"Glass-like features of crystalline solids in the quantum critical regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"H. Ishibashi, S. Kawaguchi, S. Mori, Y. Ishii, Y. Kubota, Y. Ouchi","submitted_at":"2019-01-28T03:39:59Z","abstract_excerpt":"There has been growing interest in structural quantum phase transitions and quantum fluctuations of phonons in the research area of condensed matter physics. Here, we report the observation of glass-like features in the lattice heat capacity of a stuffed tridymite-type crystal, Ba1-xSrxAl2O4, a candidate compound of quantum paraelectrics. Substitutional chemical suppression of the ferroelectric phase transition temperature (TC) of Ba1-xSrxAl2O4 results in the disappearance of the TC at x=0.07. For the compositional window of x=0.2-0.5, the lattice heat capacity is enhanced below approximately "},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1901.09502","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2019-01-28T03:39:59Z","cross_cats_sorted":[],"title_canon_sha256":"1517eefd80377e0a1ddc30ad1c8e3c1cdcdbc2c13c5966e70178e69aaaa1e33b","abstract_canon_sha256":"3b6a9f0a6063c4843c19a7241b5de5d8fc7de841c4222a368fb1f0021f7b2f3e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T23:58:46.533394Z","signature_b64":"vOs2mAGLfNRT7Qge0cgLCFLc1aAG+q7hnUoArtKlirP6VZVYMcQdBbtyTDdKixuE5CcyP8SO9xBxkXb48bEZCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"19a57890fda965cb490b01193d97bc66e050c76e4993727bcdf59c5e23dc0245","last_reissued_at":"2026-07-04T23:58:46.532984Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T23:58:46.532984Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Glass-like features of crystalline solids in the quantum critical regime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"H. Ishibashi, S. Kawaguchi, S. Mori, Y. Ishii, Y. Kubota, Y. Ouchi","submitted_at":"2019-01-28T03:39:59Z","abstract_excerpt":"There has been growing interest in structural quantum phase transitions and quantum fluctuations of phonons in the research area of condensed matter physics. Here, we report the observation of glass-like features in the lattice heat capacity of a stuffed tridymite-type crystal, Ba1-xSrxAl2O4, a candidate compound of quantum paraelectrics. Substitutional chemical suppression of the ferroelectric phase transition temperature (TC) of Ba1-xSrxAl2O4 results in the disappearance of the TC at x=0.07. For the compositional window of x=0.2-0.5, the lattice heat capacity is enhanced below approximately "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.09502","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1901.09502/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1901.09502","created_at":"2026-07-04T23:58:46.533045+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.09502v1","created_at":"2026-07-04T23:58:46.533045+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.09502","created_at":"2026-07-04T23:58:46.533045+00:00"},{"alias_kind":"pith_short_12","alias_value":"DGSXREH5VFS4","created_at":"2026-07-04T23:58:46.533045+00:00"},{"alias_kind":"pith_short_16","alias_value":"DGSXREH5VFS4WSIL","created_at":"2026-07-04T23:58:46.533045+00:00"},{"alias_kind":"pith_short_8","alias_value":"DGSXREH5","created_at":"2026-07-04T23:58:46.533045+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/DGSXREH5VFS4WSILAEMT3F54M3","json":"https://pith.science/pith/DGSXREH5VFS4WSILAEMT3F54M3.json","graph_json":"https://pith.science/api/pith-number/DGSXREH5VFS4WSILAEMT3F54M3/graph.json","events_json":"https://pith.science/api/pith-number/DGSXREH5VFS4WSILAEMT3F54M3/events.json","paper":"https://pith.science/paper/DGSXREH5"},"agent_actions":{"view_html":"https://pith.science/pith/DGSXREH5VFS4WSILAEMT3F54M3","download_json":"https://pith.science/pith/DGSXREH5VFS4WSILAEMT3F54M3.json","view_paper":"https://pith.science/paper/DGSXREH5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.09502&json=true","fetch_graph":"https://pith.science/api/pith-number/DGSXREH5VFS4WSILAEMT3F54M3/graph.json","fetch_events":"https://pith.science/api/pith-number/DGSXREH5VFS4WSILAEMT3F54M3/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/DGSXREH5VFS4WSILAEMT3F54M3/action/timestamp_anchor","attest_storage":"https://pith.science/pith/DGSXREH5VFS4WSILAEMT3F54M3/action/storage_attestation","attest_author":"https://pith.science/pith/DGSXREH5VFS4WSILAEMT3F54M3/action/author_attestation","sign_citation":"https://pith.science/pith/DGSXREH5VFS4WSILAEMT3F54M3/action/citation_signature","submit_replication":"https://pith.science/pith/DGSXREH5VFS4WSILAEMT3F54M3/action/replication_record"}},"created_at":"2026-07-04T23:58:46.533045+00:00","updated_at":"2026-07-04T23:58:46.533045+00:00"}